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Cheap flights from San Diego to Philadelphia from £117

SAN — PHL
8 Oct — 15 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Diego to Philadelphia

Enter your travel dates to find the best prices.

Cheapest flights from San Diego to Philadelphia

Fri 2/1016:50 -
1 stop9h 50m
Sun 4/1016:17 -
1 stop20h 39m
Deal found 8/9£275
Sat 3/1018:00 -
1 stop18h 14m
Sat 10/1007:02 -
2 stops12h 38m
Deal found 8/9£284
Fri 9/1014:10 -
1 stop22h 04m
Wed 14/1007:02 -
2 stops14h 27m
Deal found 8/9£285
Tue 6/1013:55 -
1 stop6h 40m
Tue 13/1018:35 -
1 stop7h 35m
Deal found 8/9£290
Tue 15/916:02 -
1 stop20h 43m
Sat 19/907:00 -
1 stop10h 42m
Deal found 7/9£292
Sat 26/915:50 -
1 stop10h 50m
Tue 29/907:00 -
2 stops14h 43m
Deal found 7/9£292
Sat 26/915:50 -
1 stop10h 50m
Sat 3/1007:02 -
2 stops16h 38m
Deal found 6/9£295
Wed 9/906:15 -
2 stops9h 39m
Fri 11/910:30 -
1 stop7h 27m
Deal found 5/9£295
Sat 26/911:10 -
2 stops8h 45m
Tue 29/915:05 -
2 stops8h 50m
Deal found 4/9£298
Wed 30/922:30 -
1 stop8h 39m
Wed 7/1006:10 -
1 stop8h 15m
Deal found 4/9£298
Thu 22/1010:55 -
2 stops15h 46m
Mon 26/1007:02 -
1 stop10h 36m
Deal found 6/9£300

Find flight deals from San Diego to Philadelphia

Round-trip from

£275

One-way from

£117

Popular in

July

Cheapest in

October

Average price

£342
Alaska Airlines
  • Alaska Airlines
  • 2/10-4/10
  • 2 total stops
  • 30h 29m total
  • San Diego to Philadelphia
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 3/10-31/12
  • 1 total stop
  • 9h 21m total
  • San Diego to Philadelphia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from San Diego to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Mon 1/3

19:41-10:07

2 stops11h 26m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£121
Fastest return journey

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Sun 4/10

22:30-10:09

1 stop8h 39m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£125

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Mon 14/9

21:45-09:43

1 stop8h 58m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£125

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Wed 16/9

18:55-09:43

2 stops11h 48m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£128

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Sun 4/10

06:15-05:41

1 stop20h 26m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£162

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Mon 21/9

14:17-15:45

1 stop22h 28m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£162

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Wed 30/9

18:28-10:09

2 stops12h 41m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£162

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Tue 29/9

19:41-14:20

3 stops15h 39m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£165

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Fri 2/10

07:30-21:15

1 stop10h 45m

Philadelphia

Wed 31/12

00:00-21:00

Nonstop0h 00m

£165

San DiegoPhiladelphia

SAN San Diego - PHL Philadelphia

SANPHL

San Diego

Thu 5/11

12:50-00:05

2 stops8h 15m

Philadelphia

Mon 9/11

17:15-23:50

2 stops9h 35m

£298

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from San Diego to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from San Diego with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from San Diego to Philadelphia

How far ahead should I book a flight from San Diego to Philadelphia?

To ensure you get the cheapest price possible for a flight from San Diego to Philadelphia, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to Philadelphia?

Currently, October is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of £307). Flying from San Diego to Philadelphia in July is currently the most expensive (average of £397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to PHL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Philadelphia as you normally would.

How much does it cost for a return flight from San Diego to Philadelphia?

Airfare is below average for this route at the moment.

San Diego to Philadelphia flights typically cost between £304 and £404 in October.
The cheapest return price found within the last 5 days was £275 on Alaska Airlines (2 Oct–4 Oct).

Related info for your journey

  • How popular is this San Diego to Philadelphia flight route?

    The San Diego to Philadelphia flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from San Diego to Philadelphia?

    Airlines like Southwest and Alaska Airlines fly from San Diego to Philadelphia in about 8h 15m. The time it takes to get you to your destination can typically vary by up to 14h 13m. There are 2364 mi between San Diego and Philadelphia. This flight may include one or multiple stops.

  • What are the most reliable airlines from San Diego to Philadelphia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Diego to Philadelphia on time: Iberia (82%), American Airlines (80%), British Airways (80%).

  • Can I find deals for flights from San Diego to Philadelphia that include hotel bookings?

    Yes. In addition to deals on San Diego to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Philadelphia.

  • Can I find deals for business class flights from San Diego to Philadelphia?

    Yes. Cheapflights offers flight deals from San Diego to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Philadelphia?

    Currently, October is the cheapest month in which you can book a flight from San Diego to Philadelphia (average of £307). Flying from San Diego to Philadelphia in July is currently the most expensive (average of £397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
King of Prussia

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How does Cheapflights help users find flights from San Diego to Philadelphia?

When you search for this flight from San Diego to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Philadelphia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Philadelphia from San Diego.

Can Cheapflights find flights from San Diego to Philadelphia with no change fees?

Yes! Cheapflights helps users easily find flights from San Diego to Philadelphia with no change fees.

Can Cheapflights notify me if prices for flights from San Diego to Philadelphia become cheaper?

Yes, Cheapflights offers price alerts on San Diego to Philadelphia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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